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Maven package

org.springframework.boot:spring-boot-starter-mail

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

Open advisories

1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 5.0MavenPublished

    Spring Boot's Mail Auto-Configuration Does Not Enable SSL Hostname Verification

    CVE-2026-40992 · GHSA-9wxp-w4px-32vh

    Affected
    • Maven org.springframework.boot:spring-boot-starter-mail >= 4.0.0, <= 4.0.6; >= 3.5.0, <= 3.5.14; >= 3.4.0, <= 3.4.16
    Fixed in
    3.5.154.0.7· Partial vendor fix
    Issue
    Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected. Affected versions: Spring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.

    Recommended action: Upgrade to 4.0.7 or 3.5.15 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →